Author Question: If the Sun passes almost in front of the center of our Milky Way Galaxy, it does so A) once a ... (Read 102 times)

segrsyd · **on:** Jul 27, 2018

If the Sun passes almost in front of the center of our Milky Way Galaxy, it does so

A) once a year. B) once a day.
C) only in 2012, at the end of the Mayan calendar. D) once a month.

Question 2

The formation of carbon requires a core temperature of about 100 million K, but iron takes much higher temperatures and pressures.

Indicate whether the statement is true or false